Such a radiant rose-red beauty! Thanx!!
|Dimensions (mm)||not provided|
|Weight (carats)||8 carats|
TOURMALINE CRYSTAL SPECIMEN
This is a natural specimen of rough tourmaline showing a out side secondary growth of crystal .We have taken a photo of the specimen wet. Great for any collection
Weight 8.10 cts app
Size 13 x 8 x 8 mm
Mined in Brazil
Tourmaline is a crystal silicate mineral compounded with elements such as aluminium, iron, magnesium, sodium, lithium, or potassium. Tourmaline gem stones come in a wide variety of colors.Tourmaline has a variety of colors. Usually, iron-rich tourmalines are black to bluish-black to deep brown, while magnesium-rich varieties are brown to yellow, and lithium-rich tourmalines are almost any color: blue, green, red, yellow, pink etc. Rarely, it is colorless. Bi-colored and multicolored crystals are common, reflecting variations of fluid chemistry during crystallisation. Crystals may be green at one end and pink at the other, or green on the outside and pink inside: this type is called watermelon tourmaline. Some forms of tourmaline are dichroic, in that they change color when viewed from different directions.
|Starts||20th Aug 2009 10:15pm PDT|
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